Overview Phase I Study Compound 451238 and Radiotherapy in Soft-tissue Sarcoma Status: Recruiting Trial end date: 2023-01-31 Target enrollment: Participant gender: Summary The objective of this trial is to assess the safety and tolerability of combining compound 451238 and radiotherapy, treating advanced STS. Phase: Phase 1/Phase 2 Details Lead Sponsor: Royal Marsden NHS Foundation TrustCollaborators: Merck KGaAMerck KGaA, Darmstadt, Germany